JP2014119619A5 - - Google Patents

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JP2014119619A5
JP2014119619A5 JP2012275097A JP2012275097A JP2014119619A5 JP 2014119619 A5 JP2014119619 A5 JP 2014119619A5 JP 2012275097 A JP2012275097 A JP 2012275097A JP 2012275097 A JP2012275097 A JP 2012275097A JP 2014119619 A5 JP2014119619 A5 JP 2014119619A5
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本発明の一態様によると、画像形成装置は、現像剤により像担持体に現像剤像を形成する画像形成手段と、前記像担持体に形成した現像剤像を記録材に転写する転写手段と、前記記録材に転写されずに前記像担持体に残留した現像剤を除去する除去手段と、前記除去手段に現像剤を供給するため、前記記録材に転写する現像剤像の間の前記像担持体の領域に、前記記録材に転写しない供給現像剤像を形成する様に前記画像形成手段を制御する制御手段と、を備えており、前記画像形成手段は、前記供給現像剤像として、少なくとも第１の供給現像剤像と、副走査方向の長さが前記第１の供給現像剤像より長く、かつ、単位面積当たりの現像剤量が前記第１の供給現像剤像の単位面積当たりの現像剤量以下である少なくとも１つの第２の供給現像剤像を形成可能であり、前記制御手段は、予め定めた前記記録材の種別と供給現像剤像との関係に基づき、前記記録材に転写する現像剤像の前又は後に前記画像形成手段に形成させる供給現像剤像を選択することを特徴とする。 According to one aspect of the present invention, an image forming apparatus includes an image forming unit that forms a developer image on an image carrier with a developer, and a transfer unit that transfers the developer image formed on the image carrier to a recording material. Removing means for removing developer remaining on the image carrier without being transferred to the recording material, and the image between the developer images transferred to the recording material for supplying developer to the removing means. Control means for controlling the image forming means so as to form a supply developer image that is not transferred to the recording material in a region of the carrier, and the image forming means includes the supply developer image as At least the first supplied developer image, the length in the sub-scanning direction is longer than the first supplied developer image, and the amount of developer per unit area is per unit area of the first supplied developer image. At least one second supply current that is less than or equal to the developer amount of Is capable of forming an agent image, said control means, based on the relationship between the type of a predetermined said recording material supply developer image to said image forming means before or after the developer image is transferred onto the recording medium A supply developer image to be formed is selected.

Claims (17)

現像剤により像担持体に現像剤像を形成する画像形成手段と、
前記像担持体に形成した現像剤像を記録材に転写する転写手段と、
前記記録材に転写されずに前記像担持体に残留した現像剤を除去する除去手段と、
前記除去手段に現像剤を供給するため、前記記録材に転写する現像剤像の間の前記像担持体の領域に、前記記録材に転写しない供給現像剤像を形成する様に前記画像形成手段を制御する制御手段と、
を備えており、
前記画像形成手段は、前記供給現像剤像として、少なくとも第１の供給現像剤像と、副走査方向の長さが前記第１の供給現像剤像より長く、かつ、単位面積当たりの現像剤量が前記第１の供給現像剤像の単位面積当たりの現像剤量以下である少なくとも１つの第２の供給現像剤像を形成可能であり、
前記制御手段は、予め定めた前記記録材の種別と供給現像剤像との関係に基づき、前記記録材に転写する現像剤像の前又は後に前記画像形成手段に形成させる供給現像剤像を選択することを特徴とする画像形成装置。 Image forming means for forming a developer image on the image carrier with a developer;
Transfer means for transferring the developer image formed on the image carrier to a recording material;
Removing means for removing developer remaining on the image carrier without being transferred to the recording material;
In order to supply the developer to the removing unit, the image forming unit forms a supplied developer image that is not transferred to the recording material in a region of the image carrier between developer images transferred to the recording material. Control means for controlling
With
The image forming unit includes at least a first supply developer image as the supply developer image, a length in the sub-scanning direction that is longer than the first supply developer image, and a developer amount per unit area. Can form at least one second supply developer image that is less than or equal to the amount of developer per unit area of the first supply developer image,
The control means selects a supplied developer image to be formed on the image forming means before or after the developer image transferred to the recording material, based on a predetermined relationship between the recording material type and the supplied developer image. An image forming apparatus. 前記制御手段は、前記記録材の種別に基づき、前記記録材に転写する現像剤像の前又は後ろに副走査方向の長さを変化させた前記供給現像剤像を形成させることを特徴とする請求項１に記載の画像形成装置。The control unit is configured to form the supplied developer image in which the length in the sub-scanning direction is changed in front of or behind the developer image transferred to the recording material based on the type of the recording material. The image forming apparatus according to claim 1. 前記供給現像剤像の単位面積当たりの現像剤量は、前記転写手段を経由して記録材に付着する前記供給現像剤像の現像剤が所定量以下となる様に決定したものであることを特徴とする請求項１又は２に記載の画像形成装置。 The amount of developer per unit area of the supplied developer image is determined so that the developer of the supplied developer image that adheres to the recording material via the transfer means is less than a predetermined amount. The image forming apparatus according to claim 1 or 2 , characterized in that 前記第２の供給現像剤像により前記除去手段に供給する現像剤量は、前記第１の供給現像剤像により前記除去手段に供給する現像剤量以上であることを特徴とする請求項１から３のいずれか１項に記載の画像形成装置。 Developer amount supplied to the removing means by the second supply developer image from claim 1, wherein at first by the supply developer image or a developer amount supplied to said removing means 4. The image forming apparatus according to any one of items 3 . 前記制御手段は、前記供給現像剤像を形成するために使用する前記画像形成手段の現像剤の残量が第１閾値未満となるものが所定数以上あると、前記記録材の種別に拘らず前記第２の供給現像剤像を形成することを特徴とする請求項１から４のいずれか１項に記載の画像形成装置。 The control means determines that the remaining amount of developer in the image forming means used for forming the supplied developer image is less than a first threshold value when a predetermined number or more exists, regardless of the type of the recording material. the image forming apparatus according to any one of 4 from claim 1, wherein forming said second supply developer image. 前記制御手段は、前記第１の供給現像剤像を形成する場合、前記除去手段に供給することが必要な現像剤の積算量と、前記除去手段に供給した現像剤の積算量とを比較し、前記必要な現像剤の積算量より前記供給した現像剤の積算量が多い場合、前記第１の供給現像剤像の単位面積当たりの現像剤量を通常値より減少させることを特徴とする請求項１から５のいずれか１項に記載の画像形成装置。 The control means compares the integrated amount of developer that needs to be supplied to the removing means and the integrated amount of developer supplied to the removing means when forming the first supplied developer image. The developer amount per unit area of the first supplied developer image is decreased from a normal value when the integrated amount of the supplied developer is larger than the required integrated amount of developer. Item 6. The image forming apparatus according to any one of Items 1 to 5 . 前記制御手段は、前記必要な現像剤の積算量と、前記供給した現像剤の積算量との差が第２閾値より大きい場合に、前記第１の供給現像剤像の単位面積当たりの現像剤量を通常値より減少させることを特徴とする請求項６に記載の画像形成装置。 When the difference between the accumulated amount of the required developer and the accumulated amount of the supplied developer is larger than a second threshold, the control means is a developer per unit area of the first supplied developer image. The image forming apparatus according to claim 6 , wherein the amount is decreased from a normal value. 前記制御手段は、前記第１の供給現像剤像の単位面積当たりの現像剤量を通常値より減少させた場合、前記供給した現像剤の積算量が前記必要な現像剤の積算量になると、前記第１の供給現像剤像の単位面積当たりの現像剤量を前記通常値に戻すことを特徴とする請求項６又は７に記載の画像形成装置。 When the control unit reduces the developer amount per unit area of the first supplied developer image from a normal value, when the integrated amount of the supplied developer becomes the integrated amount of the necessary developer, the image forming apparatus according to claim 6 or 7, characterized in that to return the amount of developer per unit area of the first supply developer image to the normal value. 前記制御手段は、前記副走査方向の長さが長くなるほど単位面積当たりの現像剤量が少なくなるように前記供給現像剤像を形成させることを特徴とする請求項１に記載の画像形成装置。The image forming apparatus according to claim 1, wherein the control unit forms the supplied developer image such that the developer amount per unit area decreases as the length in the sub-scanning direction increases. 現像剤により像担持体に現像剤像を形成する画像形成手段と、
前記像担持体に形成した現像剤像を記録材に転写する転写手段と、
前記記録材に転写されずに前記像担持体に残留した現像剤を除去する除去手段と、
前記除去手段に現像剤を供給するため、前記記録材に転写する現像剤像の間の前記像担持体の領域に、前記記録材に転写しない供給現像剤像を形成する様に前記画像形成手段を制御する制御手段と、
を備えており、
前記制御手段は、前記記録材に転写する現像剤像の間の前記像担持体の領域の大きさに応じて、単位面積当たりの現像剤量が所定量以下となるように前記供給現像剤像の大きさを制御することを特徴とする画像形成装置。 Image forming means for forming a developer image on the image carrier with a developer;
Transfer means for transferring the developer image formed on the image carrier to a recording material;
Removing means for removing developer remaining on the image carrier without being transferred to the recording material;
In order to supply the developer to the removing unit, the image forming unit forms a supplied developer image that is not transferred to the recording material in a region of the image carrier between developer images transferred to the recording material. Control means for controlling
With
The control means controls the supplied developer image so that the amount of developer per unit area is not more than a predetermined amount according to the size of the area of the image carrier between developer images transferred to the recording material. An image forming apparatus for controlling the size of the image forming apparatus. 前記制御手段は、前記供給現像剤像の副走査方向の長さが長くなるほど単位面積当たりの現像剤量が少なくなるように前記供給現像剤像を形成させることを特徴とする請求項１０に記載の画像形成装置。The control unit forms the supplied developer image so that the developer amount per unit area decreases as the length of the supplied developer image in the sub-scanning direction becomes longer. Image forming apparatus. 前記供給現像剤像の単位面積当たりの現像剤量は、前記転写手段を経由して記録材に付着する前記供給現像剤像の現像剤が所定量以下となる様に決定したものであることを特徴とする請求項１０又は１１に記載の画像形成装置。The amount of developer per unit area of the supplied developer image is determined so that the developer of the supplied developer image that adheres to the recording material via the transfer means is less than a predetermined amount. The image forming apparatus according to claim 10, wherein the image forming apparatus is an image forming apparatus. 前記画像形成手段は、前記供給現像剤像として、少なくとも第１の供給現像剤像と、副走査方向の長さが前記第１の供給現像剤像より長く、かつ、単位面積当たりの現像剤量が前記第１の供給現像剤像の単位面積当たりの現像剤量以下である少なくとも１つの第２の供給現像剤像を形成可能であり、The image forming unit includes at least a first supply developer image as the supply developer image, a length in the sub-scanning direction that is longer than the first supply developer image, and a developer amount per unit area. Can form at least one second supply developer image that is less than or equal to the amount of developer per unit area of the first supply developer image,
前記第２の供給現像剤像により前記除去手段に供給する現像剤量は、前記第１の供給現像剤像により前記除去手段に供給する現像剤量以上であることを特徴とする請求項１０から１２のいずれか１項に記載の画像形成装置。11. The developer amount supplied to the removing unit by the second supplied developer image is equal to or more than the developer amount supplied to the removing unit by the first supplied developer image. 13. The image forming apparatus according to any one of items 12. 前記画像形成手段は、前記供給現像剤像として、少なくとも第１の供給現像剤像と、副走査方向の長さが前記第１の供給現像剤像より長く、かつ、単位面積当たりの現像剤量が前記第１の供給現像剤像の単位面積当たりの現像剤量以下である少なくとも１つの第２の供給現像剤像を形成可能であり、The image forming unit includes at least a first supply developer image as the supply developer image, a length in the sub-scanning direction that is longer than the first supply developer image, and a developer amount per unit area. Can form at least one second supply developer image that is less than or equal to the amount of developer per unit area of the first supply developer image,
前記制御手段は、前記供給現像剤像を形成するために使用する前記画像形成手段の現像剤の残量が第１閾値未満となるものが所定数以上あると、前記記録材の種別に拘らず前記第２の供給現像剤像を形成することを特徴とする請求項１０から１３のいずれか１項に記載の画像形成装置。The control means determines that the remaining amount of developer in the image forming means used for forming the supplied developer image is less than a first threshold value when a predetermined number or more exists, regardless of the type of the recording material. The image forming apparatus according to claim 10, wherein the second supply developer image is formed. 前記画像形成手段は、前記供給現像剤像として、少なくとも第１の供給現像剤像と、副走査方向の長さが前記第１の供給現像剤像より長く、かつ、単位面積当たりの現像剤量が前記第１の供給現像剤像の単位面積当たりの現像剤量以下である少なくとも１つの第２の供給現像剤像を形成可能であり、The image forming unit includes at least a first supply developer image as the supply developer image, a length in the sub-scanning direction that is longer than the first supply developer image, and a developer amount per unit area. Can form at least one second supply developer image that is less than or equal to the amount of developer per unit area of the first supply developer image,
前記制御手段は、前記第１の供給現像剤像を形成する場合、前記除去手段に供給することが必要な現像剤の積算量と、前記除去手段に供給した現像剤の積算量とを比較し、前記必要な現像剤の積算量より前記供給した現像剤の積算量が多い場合、前記第１の供給現像剤像の単位面積当たりの現像剤量を通常値より減少させることを特徴とする請求項１０から１４のいずれか１項に記載の画像形成装置。The control means compares the integrated amount of developer that needs to be supplied to the removing means and the integrated amount of developer supplied to the removing means when forming the first supplied developer image. The developer amount per unit area of the first supplied developer image is decreased from a normal value when the integrated amount of the supplied developer is larger than the required integrated amount of developer. Item 15. The image forming apparatus according to any one of Items 10 to 14. 前記制御手段は、前記必要な現像剤の積算量と、前記供給した現像剤の積算量との差が第２閾値より大きい場合に、前記第１の供給現像剤像の単位面積当たりの現像剤量を通常値より減少させることを特徴とする請求項１５に記載の画像形成装置。When the difference between the accumulated amount of the required developer and the accumulated amount of the supplied developer is larger than a second threshold, the control means is a developer per unit area of the first supplied developer image. The image forming apparatus according to claim 15, wherein the amount is decreased from a normal value. 前記制御手段は、前記第１の供給現像剤像の単位面積当たりの現像剤量を通常値より減少させた場合、前記供給した現像剤の積算量が前記必要な現像剤の積算量になると、前記第１の供給現像剤像の単位面積当たりの現像剤量を前記通常値に戻すことを特徴とする請求項１５又は１６に記載の画像形成装置。When the control unit reduces the developer amount per unit area of the first supplied developer image from a normal value, the integrated amount of the supplied developer becomes the required integrated amount of developer, 17. The image forming apparatus according to claim 15, wherein the developer amount per unit area of the first supply developer image is returned to the normal value.
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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6305055B2 (en) 2013-12-25 2018-04-04 キヤノン株式会社 Image forming apparatus, intermediate transfer member, and method of manufacturing intermediate transfer member
JP6501466B2 (en) 2014-08-28 2019-04-17 キヤノン株式会社 Image forming device
JP6160595B2 (en) * 2014-10-29 2017-07-12 コニカミノルタ株式会社 Image forming apparatus and control method
JP6452109B2 (en) * 2014-12-26 2019-01-16 キヤノン株式会社 Image forming apparatus
JP6407048B2 (en) 2015-01-29 2018-10-17 キヤノン株式会社 Image forming apparatus
JP6452041B2 (en) 2015-02-27 2019-01-16 株式会社リコー Image forming apparatus
JP6737240B2 (en) * 2017-06-15 2020-08-05 京セラドキュメントソリューションズ株式会社 Image forming device
JP6910869B2 (en) * 2017-06-30 2021-07-28 キヤノン株式会社 Image forming device
JP7119672B2 (en) * 2018-07-11 2022-08-17 コニカミノルタ株式会社 IMAGE FORMING APPARATUS AND IMAGE FORMING APPARATUS MANAGEMENT METHOD
JP7192629B2 (en) * 2019-04-09 2022-12-20 コニカミノルタ株式会社 Image forming apparatus and its control method
JP2022052347A (en) 2020-09-23 2022-04-04 キヤノン株式会社 Image forming apparatus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5881339A (en) * 1996-11-01 1999-03-09 Ricoh Company, Ltd. Image forming apparatus having a cleaning blade for removing deposited toner
JP2003215998A (en) * 2002-01-24 2003-07-30 Ricoh Co Ltd Image forming apparatus
JP3715972B2 (en) 2002-05-02 2005-11-16 キヤノン株式会社 Image forming apparatus
JP2007065007A (en) * 2005-08-29 2007-03-15 Konica Minolta Business Technologies Inc Image forming apparatus
JP2007079126A (en) 2005-09-14 2007-03-29 Konica Minolta Business Technologies Inc Image carrier cleaning method and image forming apparatus
JP2007212936A (en) * 2006-02-13 2007-08-23 Fuji Xerox Co Ltd Image forming apparatus
US8103206B2 (en) * 2008-08-20 2012-01-24 Xerox Corporation Systems and methods for controlling cleaning devices in image forming apparatus
JP5187166B2 (en) * 2008-11-29 2013-04-24 コニカミノルタビジネステクノロジーズ株式会社 Image forming apparatus
JP2011064741A (en) 2009-09-15 2011-03-31 Ricoh Co Ltd Image forming apparatus
JP5533062B2 (en) * 2010-03-15 2014-06-25 コニカミノルタ株式会社 Image forming apparatus
JP2012194513A (en) 2011-03-18 2012-10-11 Canon Inc Image forming apparatus

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